All cancellation policies listed on Dockwa are Marina Specific. To find a marina's policy follow these steps:
Search for a marina and navigate to that marina's Profile
Scroll down to the Info section of their profile (Pictures Below)
Click the link next to the text "Cancellation Policy"
Here you will find a short description of that Marina's Cancellation Policy. Additionally, the policy will be presented on the last "Agree to Cancellation Policy and Terms of Service" step of your reservation request.
Please note: Cancellation Policies can vary as they are specific to the marina you are booking.